16454172 has 24 divisors (see below), whose sum is σ = 43878016. Its totient is φ = 4701168.

The previous prime is 16454143. The next prime is 16454173. The reversal of 16454172 is 27145461.

16454172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16454173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97858 + ... + 98025.

Almost surely, 2^16454172 is an apocalyptic number.

16454172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16454172 is an abundant number, since it is smaller than the sum of its proper divisors (27423844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16454172 is a wasteful number, since it uses less digits than its factorization.

16454172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195897 (or 195895 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 16454172 is about 4056.3742430895. The cubic root of 16454172 is about 254.3462531329.

The spelling of 16454172 in words is "sixteen million, four hundred fifty-four thousand, one hundred seventy-two".